Oil Pressure Sensor: 60-80's (80 psi)READ THE "DESCRIPTION" on the LHS of page. Oil Presure Sender Unit for most all V8 Series with gauges. NOT for 403 Olds All models with gauges up too 80 PSI. To check the PSI on yours.. undo the sender unit and look around the hex where you put the spanner to undo it.. the PSI is stamped with "60" or "80'.. this is the 80. Term "Senser sender or Switch" is the same in this instance. Look on your gauge for PSI Too listed Fits but not limited too: 69 81